Feature: 1. Dual-Mic CVC8.0 Noise Canceling & Clear Sound: The wireless headset combines 2 built-in HD microphones and designed with advanced CVC8. 0 noise reduction technology, which blocks out disruptive background noise like wind, traffic or crowds and the background sounds you might hear, offering crystal clear audio and natural sound, allows you to enjoy high quality music and clear phone calls wherever. 3. Bluetooth 5.1 Stable Connection: Hassle-free Bluetooth headset can be connected to 2 devices at the same time, it provides fast and stable pairing with any Bluetooth device, like iOS or Android smart phones, tablets, laptops, MP3 players from up to 33 feet away without signal loss or music dropouts. Stable Bluetooth headset for cell phones. 4. Freely Angle & Comfortable Wearing: This Bluetooth wireless earpiece is designed to fit in either ear.The angle can be adjusted freely and will be worn stably. Flexible 180 rotatable ear hook and retractable 270 boom mic and rotates for a comfortable fit. No more burden on ears even after wearing it for a long time. 5. Hands-free for Calling: This Bluetooth headset with mic supports Siri assistant. Easy-to-reach buttons let you manage the music and call hands-free. ; Specification: Item Type: Bluetooth Earpiece Bluetooth Version: V5.1 Noise Canceling : CVC8.0 Battery: 500mAh Talking Time: up to 12H Form Factor: In Ear Waterproof: Life Waterproof Support System: All Bluetooth Devices and Mobile Phones ; Package Included: 1 * Bluetooth Headset 1 * User Manual ;